Home / 16,778.48-23,153.88-9,326

Finding the Fourth Proportional to 16,778.48, 23,153.88 and 9,326

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Solution

The fourth proportional to 16,778.48, 23,153.88 and 9,326 is: 12,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.48 : 23,153.88 = 9,326 : x
  2. Step 2: Convert to fraction form
    16,778.48/23,153.88 = 9,326/x
  3. Step 3: Cross multiply
    16,778.48x = 23,153.88 × 9,326
  4. Step 4: Simplify right side
    16,778.48x = 215,933,084.88
  5. Step 5: Solve for x
    x = 215,933,084.88/16,778.48
  6. Step 6: Final answer
    x = 12,869.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.